Maxim Integrated MAX11202/12 串行输出模数转换器

Maxim MAX11202/12 串行输出模数转换器具有业内最高的每单位功耗分辨率。该款超低功耗(< 300碌A 最大工作电流)、高分辨率、串行输出ADC适用于需要宽动态范围、低功耗的应用，例如：工作在4mA至20mA工业控制环路的传感器。MAX11202/12 内置高精度振荡器，该振荡器无需外部元件。工作在特定数据速率时，器件内部的数字滤波器提供大于80dB的50Hz或60Hz电源噪声抑制。MAX11202/12串行输出ADC采用简单的2线串行接口，提供节省空间的10引脚µMAX封装，工作在-40℃至+85℃温度范围。

特性

  • MAX11202
    • 24-Bit Full-Scale Resolution
      • 20.5-Bit Noise-Free Resolution at 13.75sps
      • 19-Bit Noise-Free Resolution at 120sps
    • 720nVRMS Noise (MAX11202B)
    • 3ppm INL
    • No Missing Codes
    • Ultra-Low Power Dissipation
      • Operating Mode Current Drain < 300µA (max)
      • Sleep Mode Current Drain < 0.1µA
    • 2.7V to 3.6V Analog Supply Voltage Range
    • 1.7V to 3.6V Digital and I/O Supply Voltage Range
    • Fully Differential Signal Inputs
    • Fully Differential Reference Inputs
    • Internal System Clock
      • 2.4576MHz (MAX11202A)
      • 2.2528MHz (MAX11202B)
    • External Clock
    • Serial 2-Wire Interface (Clock Input and Data Output)
    • On-Demand Offset and Gain Self-Calibration
    • -40°C to +85°C Operating Temperature Range
    • ±2kV ESD Protection
    • Lead(Pb)-Free and RoHS-Compliant µMAX Package
  • MAX11212 
    • 18-Bit Full-Scale Resolution
    • 720nVRMS Noise (MAX11212B)
    • 3ppm INL
    • No Missing Codes
    • Ultra-Low Power Dissipation
      • Operating Mode Current Drain < 300µA (max)
      • Sleep Mode Current Drain < 0.1µA
    • 2.7V to 3.6V Analog Supply Voltage Range
    • 1.7V to 3.6V Digital and I/O Supply Voltage Range
    • Fully Differential Signal Inputs
    • Fully Differential Reference Inputs
    • Internal System Clock
      • 2.4576MHz (MAX11212A)
      • 2.2528MHz (MAX11212B)
    • External Clock
    • Serial 2-Wire Interface (Clock Input and Data Output)
    • On-Demand Offset and Gain Self-Calibration
    • -40°C to +85°C Operating Temperature Range
    • ±2kV ESD Protection
    • Lead(Pb)-Free and RoHS-Compliant µMAX Package

应用

  • Battery Applications
  • Portable Instrumentation
  • Sensor Measurement (Temperature and Pressure)
  • Weigh Scales

Datasheets